Southwest Airlines is the most reliable airline on the IAH to MCO route with a 81% on-time rate, compared to Frontier Airlines at 66%. Based on 639 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: IAH to MCO
Houston to Orlando — airline reliability comparison
On-Time Rate by Airline
Southwest Airlines81%
United Airlines79%
Spirit Airlines74%
Frontier Airlines66%
IAH to MCO Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| Southwest AirlinesWNBest | 81% | 0.7% | 80m | 639 |
| United AirlinesUA | 79% | 1.2% | 73m | 8,207 |
| Spirit AirlinesNK | 74% | 1.7% | 80m | 2,958 |
| Frontier AirlinesF9Worst | 66% | 1.7% | 96m | 1,511 |
Route Overview
77%
Overall On-Time
80m
Avg Delay
1.3%
Cancel Rate
13,324
Total Flights
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Data last updated October 2026. Source: Bureau of Transportation Statistics.